LED test / review - Unknown 5050 SMD LED similar to XM-L2 - extremely surprising results, even better than the original?!

Possibly, and looks like the clone of the XM-L2, (Latticebright XM2 , > http://www.latticebright.com/En/cpzs1/2017-01/16/NewsView-370.html
) discussion on the influx of clones forma couple years ago is here: - The Fake-Cree LED Awareness Thread - The new "low" in Budget lights.